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Finding the Fourth Proportional to 539,727.87, 744,810.27 and 298,005.24

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Solution

The fourth proportional to 539,727.87, 744,810.27 and 298,005.24 is: 411,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,727.87 : 744,810.27 = 298,005.24 : x
  2. Step 2: Convert to fraction form
    539,727.87/744,810.27 = 298,005.24/x
  3. Step 3: Cross multiply
    539,727.87x = 744,810.27 × 298,005.24
  4. Step 4: Simplify right side
    539,727.87x = 221,957,363,265.82
  5. Step 5: Solve for x
    x = 221,957,363,265.82/539,727.87
  6. Step 6: Final answer
    x = 411,239.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.